Kale blinks, finding the question odd. Although she's heard of slavery, she can't even fathom why they would be used in such a manner, rather than for menial tasks like cleaning. Fighting is for warriors, and the fighting rings are a chance to show off one's skills. That's where she got recruited to assist with the rescue, as a matter of fact.

"Of course they are. Um...why wouldn't they be volunteers? You get paid for competing, especially if you win."